Koden MDC-7010, Operation Manual

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MDC-7000/7900 Series Chapter 2 Radar Basic Operation
0093169010-10 2-11
Changing method of CFAR and MAN
By RAIN knob
When RAIN knob is pressed, MAN and CFAR change because of the alternation.
By trackball
1
Move cursor on the MAN or CFAR display (whichever is shown) at right side of [RAIN] on the top
of the display.
2
Press ENT key to alternate CFAR and MAN.
CFAR (Constant False Alarm Rate) adjustment
CFAR function is used to suppress of sea, rain and snow clutter
easily.
CFAR function is active when CFAR is indicated at the upper
right side of the display.
Level of CFAR is indicated on the left side of CFAR indication.
1
Turn RAIN knob clockwise to increase anti-clutter effect.
Turn RAIN knob counterclockwise to decrease anti-clutter effect.
Strong Weak
RAIN
2
Turn RAIN knob clockwise to get even low (weak) clutter while watching the display.
Note:
• In the case of CFAR mode, the gain adjustment is not possible.
Adjust SEA knob to suppress remaining sea clutter.
• In typical environment CFAR should be turned all the way down via RAIN knob, and no white level
should be indicated by CFAR window.
• Turning the knob to the right shows the targets hidden in the rain/snow image, but care shall be taken
that small target may be hidden and not displayed if over adjusted.
• If there are strong echo targets such as in the harbor or channel, CFAR tends to suppress targets
excessively. In that case, change CFAR to MAN and use MAN SEA in addition.
After CFAR adjustment